Qualitative comparative analysis (QCA): Multi-variables and small samples research approach (case study: Indonesia’s Megaprojects)

This paper aims to provide an overview of what a Qualitative Comparative Analysis (QCA) method is, its differences with the classical methods, the principles, and the QCA types. Literature studies and Indonesia megaproject case study is used to explain the concept of the QCA method. A comprehensive discussion of this paper produces a concise description of the QCA method that has the potential to be used to study multivariable research with small sample size. This study also succeeded in formulating a framework that can be used as a guide for researchers in determining when to use the QCA method.